28 
FERNS OF THE WEST. 
98. W. SCOpillilia^ Eaton. among rocks.') 
Stalks quite dark, -at least at base. Frond, rachis and stalks pubes- 
cent wtth stalked glands and flattened hairs ; indusium delicate, deeply 
cut into several divisions which end in short hairs. 
Mono Pass, Califoniia, and Oregon; east to Colorado. 
99. W. OregaiiH, Eaton. (The N . from Oregon.^ 
Stalk straw-colored. Fronds usually smooth; indusium minute, 
divided almost to the base into delicate beaded hairs : edge of frond 
sometimes incurved. Fertile fronds taller than the sterile. 
Oregon to Lake Superior, Arizona and Colorado. 
100. w. Mexicaiia, Fee. (The Mexican W.) 
Fronds smooth : teeth of the divisions half-transparent at the tip and 
hairy on the edge in young fronds ; indusium divided into 3 to 5 narrow 
parts, which are cut on the edges and divided half-way down into jointed 
hairs. 
New Mexico and ‘southward. 
SUB ORDER II.— SCHIZ/EACE^. 
XVIti ANEIMIA, Swartz. 
Fruit-dots ovate, sessile, completely surrounded by an indusium, which 
opens lengthwise by a slit, and has a complete ring at the top ; placed in 
two rows one on each side of the midrib of the very narrow divisions of 
the two lower, long-stalked branches of a panicled, pinnately divided 
frond. 
A genus of about 27 species ; mostly South American. 
101. A. Mexicana, Klotzsch. (The Mexican A.) 
Fronds scattered' pinnate, on slender stalks : the two lower brancHes 
fertile, long-stalked, glandular-pubescent, bi-pinnate, densely fruited : the 
rest of the frond sterile, deltoid-ovate, simply pinnate pinnae about six 
pairs and a larger terminal one, short-stalked, broadly ovate-lanceolate, 
almost leathery, smooth: veins parallel, close together; the veinlets run- 
ning into the fine teeth on the edge of the frond. Rootstock creeping, 
covered with narrow, awl-shaped, blackish chaff. 12 to 18 inches high. 
"Westeni Texas and New Mexico. 
